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Kestrel on saguaro

The wash has been transformed by rain while I’ve been away. The Brittlebushes have come out in full leaf, the Hackberrry bushes are lush, bright green Devil’s Claw vines cover the floor. The Desert Senna at the bottom of the path down is in flower.

And, as usual, the rain seems to bring out the predators. This kestrel was in his usual spot on a saguaro on the west side of the wash.

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About Bill McCallum

I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.


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